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A143260 as a simple table

na(n)
12
23
35
47
511
619
723
829
941
1043
1147
1253
1359
1461
1567
1683
1789
18101
19103
20109
21127
22131
23137
24139
25151
26163
27173
28181
29191
30193
31197
32211
33223
34227
35229
36233
37239
38241
39251
40257
41263
42269
43271
44277
45281
46283
47293
48307
49313
50317
51331
52349
53353
54367
55373
56379
57383

[2,3,5,7,11,19,23,29,41,43,47,53,59,61,67,83,89,
 101,103,109,127,131,137,139,151,163,173,181,191,
 193,197,211,223,227,229,233,239,241,251,257,263,
 269,271,277,281,283,293,307,313,317,331,349,353,
 367,373,379,383]